The flag for Austria, which may show as the letters AT on some platforms.
The Flag: Austria emoji is a flag sequence combining ? Regional Indicator Symbol Letter A and ? Regional Indicator Symbol Letter T. These display as a single emoji on supported platforms.
Flag: Austria was added to Emoji 1.0 in 2015.
U+1F1E6
U+1F1F9
?? Regional indicator symbol letter a
?? Regional indicator symbol letter t